[rubygems/rubygems] Don't delete the release version from pre-release string more than once
https://github.com/rubygems/rubygems/commit/6485adda54
[rubygems/rubygems] Don't delete the release version from pre-release string more than once
https://github.com/rubygems/rubygems/commit/6485adda54